A small sample, but interesting. . . Adafruit did a series of blog posts where they asked members of the 3D printing community for their opinions of the most interesting things in 2013. Here are three of the responses:

GUS and good prints have just gotten together so it will be a while before GUS fathers his own child. The thinking that I try to emphasize with GUS and Wally is that a scale up doesn't require the purchase of longer components. (At least the things that have to be bigger aren't expensive like flatstock.)